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The results show that the electromagnetic field in air has measurable magnitude conducting medium.

结果表明极低频时谐电偶极子在空气中产生的电磁场有可测量的量级.

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The biological effect of extremely low frequency ( ELF ) electromagnetic field on human body is a question in dispute.

极低频 电磁场 是否对人体或生物存在不良影响,一直是学者们争议的课题.

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Objective To explore the relationship between extremely low frequency ( ELF ) magnetic fields and carcinogenesis.

目的　探讨极低频 ( ELF ) 磁场可能存在的促癌或协同促癌作用.

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